:root{
  --bg:#f7f8fb; --surface:#ffffff; --ink:#1a1d23; --muted:#5b6472;
  --line:#e6e9f0; --accent:#3b5bdb; --accent-ink:#2540c0;
  --radius:14px; --shadow:0 1px 2px rgba(20,25,40,.04),0 8px 24px rgba(20,25,40,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* Header */
header{position:sticky;top:0;z-index:10;background:rgba(247,248,251,.82);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink)}
.brand .dot{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--accent),#7aa2ff);box-shadow:var(--shadow)}
.brand small{font-weight:500;color:var(--muted);font-size:12px;letter-spacing:.04em;margin-left:2px}
.nav-links{display:flex;gap:22px;align-items:center;font-size:15px}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--ink);text-decoration:none}

/* Hero */
.hero{padding:76px 0 40px;text-align:center}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero h1 .grad{background:linear-gradient(90deg,var(--accent),#8a5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto}
.hero .cta-row{margin-top:28px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;transition:.15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink);text-decoration:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#c7cee0;text-decoration:none}

/* Section */
.section{padding:36px 0}
.section h2{font-size:26px;margin:0 0 6px;letter-spacing:-.01em}
.section .sub{color:var(--muted);margin:0 0 26px;font-size:16px}

/* Product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.16s}
.card:hover{transform:translateY(-3px);border-color:#cfd6e8}
.card .tag{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.03em;padding:3px 9px;border-radius:999px;margin-bottom:14px}
.tag-live{background:#e7f6ee;color:#1a7f45}
.tag-soon{background:#fff2e0;color:#a5651a}
.tag-avail{background:#e9edfb;color:#3b5bdb}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0 0 18px;color:var(--muted);font-size:15px;flex:1}
.card .go{font-weight:600;font-size:15px}

/* About strip */
.about{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.about h2{margin-top:0}
.about p{color:var(--muted);max-width:720px}

/* Footer */
footer{margin-top:56px;border-top:1px solid var(--line);background:var(--surface)}
.foot{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center;padding:26px 0;font-size:14px;color:var(--muted)}
.foot .legal{display:flex;gap:18px;flex-wrap:wrap}
.foot .copy{display:flex;align-items:center;gap:8px}

/* Legal article pages */
.doc{max-width:760px;margin:0 auto;padding:52px 22px 80px}
.doc h1{font-size:32px;margin:0 0 6px}
.doc .meta{color:var(--muted);font-size:14px;margin-bottom:30px}
.doc h2{font-size:20px;margin:30px 0 8px}
.doc p,.doc li{color:#2c313a;font-size:15.5px}
.doc ul{padding-left:22px}
@media(max-width:640px){.hero h1{font-size:34px}.nav-links{display:none}}